OpenTechnical

OT-2026-000076252

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076252) never changes.

Identity and time

Publication numberOT-2026-000076252 · never reused
Internal UUID01a0ae94-6a6f-78d2-829f-e5fa35cf55c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076252
StatusPUBLIC

Content hashes

Canonical text24fd2296005d0a2958d847d38b09ad4b5a2bfae4596cede0f2346b5083970c41
Markdowne2b38ac64250d63e6189c9065e94592231ec13f8236ef14656ce08f31b983abc
PDF
Publication page69d7d6cb48b9cbf224585548c5f06fc9efd95e2b45a2826a4e53ba9129a53ccf
Manifest5e03c75b30c4f9814847acdc63f9418714283e3c258d2ddba804e19e40119a0c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureR5eV9VIi9U6GPE8+uJ9c4QR3qe5+z/leaXI7alUEb2FytD6JYoLluVodXBVr8RFy0TKvu0stJoqWPU3A6/WaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:48.007588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076252
observed 69d7d6cb48b9cbf224585548c5f06fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.985570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076252/manifest.json
observed 5e03c75b30c4f9814847acdc63f94187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.963497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076252/publication.md
observed e2b38ac64250d63e6189c9065e945922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.943815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076252/publication.txt
observed 24fd2296005d0a2958d847d38b09ad4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.